GG-T-380, FEDERAL SPECIFICATION: THIMBLE, EXTRACTION (04 MAR 1958) [S/S BY A-A-53766]

GG-T-380, FEDERAL SPECIFICATION: THIMBLE, EXTRACTION (04 MAR 1958) [S/S BY A-A-53766]., This specification covers extraction thimbles, suitable for use with standard extraction apparatus for analytical determination of fat in organic materials.